xrandr no longer giving me resizing options for thinkpad LVDS

Jin, Gordon gordon.jin at intel.com
Sat Jan 3 23:24:29 PST 2009


m h wrote on Saturday, January 03, 2009 3:34 AM:
> Folks -
> 
> I'm running intel 2.5.1-r1 (on gentoo) and just noticed that xrandr no
> longer lets me resize my LVDS screen.  (Very useful when cloning to
> projectors that don't match my native resolution of 1680x1050).
> Curiously, it still gives me options for my external monitor....
> 
> xrandr
> Screen 0: minimum 320 x 200, current 3600 x 1200, maximum 3600 x 1920
> VGA connected 1920x1200+0+0 (normal left inverted right x axis y axis)
> 519mm x 324mm
>    1920x1200      60.0*+
>    1600x1200      60.0
>    1680x1050      60.0
>    1280x1024      75.0     60.0
>    1152x864       75.0
>    1024x768       75.0     60.0
>    800x600        75.0     60.3
>    640x480        75.0     59.9
>    720x400        70.1
> LVDS connected 1680x1050+1920+0 (normal left inverted right x axis y
> axis) 331mm x 207mm
>    1680x1050      60.1*+   50.1
> TMDS-1 disconnected (normal left inverted right x axis y axis)
> 
> 
> Bug?  Feature?

It seems to be triggered by the recent policy change in xserver. I'll consider this as bug. See http://bugs.freedesktop.org/show_bug.cgi?id=19247.
The problem should be fixed by either Keith's patch or Maling's patch, depending on whether your LVDS EDID detected or not. Anyway applying both should be correct.

Gordon


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